Supported operating system:

Windows XP 64-bit
Windows Vista 64-bit
Windows 7 64-bit
Windows 8 64-bit
Windows 8.1 64-bit
Windows Server 2003 64-bit
Windows Server 2008 64-bit
Windows Server 2008 R2 64-bit
Windows Server 2012 64-bit
Windows Server 2012 R2 64-bit

Release note:
Not available

Supported Devices:
PCL6 Driver for Universal Print
RICOH PCL6 UniversalDriver V4.2